Pradel Nathalie, Cayol J. L., Fardeau Marie-Laure, Karray F., Sayadi S., Alazard Didier, Ollivier Bernard. (2016). Analysis of a population of magnetotactic bacteria of the Gulf of Gabes, Tunisia. Environmental Science and Pollution Research, 23 (5), p. 4046-4053. ISSN 0944-1344.
Titre du document
Analysis of a population of magnetotactic bacteria of the Gulf of Gabes, Tunisia
Pradel Nathalie, Cayol J. L., Fardeau Marie-Laure, Karray F., Sayadi S., Alazard Didier, Ollivier Bernard
Source
Environmental Science and Pollution Research, 2016,
23 (5), p. 4046-4053 ISSN 0944-1344
The occurrence of magnetotactic bacteria (MTB) on a Tunisian marine coast exposed to heavy metals pollution (Sfax, Gulf of Gabes, Mediterranean Sea) was investigated. The MTB population of this Southern Mediterranean coast was compared to the MTB populations previously investigated on the French Northern Mediterranean coast. A dominant MTB coccus morphotype was observed by microscopy analysis. By pyrosequencing technology, the analysis of the 16S ribosomal RNA (rDNA) revealed as much as 33 operational taxonomic sequence units (OTUs) close to sequences of MTB accessible in the databases. The majority were close to MTB sequences of the "Med group" of alpha-Proteobacteria. Among them, a dominant OTU_001 (99 % of the MTB sequences) affiliated within the Magnetococcales order was highlighted. Investigating the capacities of this novel bacterium to be used in bioremediation and/or depollution processes could be envisaged.
Plan de classement
Pollution [038]
;
Biotechnologies [084]
Description Géographique
FRANCE ; TUNISIE ; MEDITERRANEE ; SFAX ; GABES GOLFE
